28518399

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:158

約数の個数: 80

約数和(自身を含む): 54153792

約数和(自身を除く): 25635393

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 53, 63, 73, 81, 91, 117, 159, 189, 219, 273, 351, 371, 477, 511, 567, 657, 689, 819, 949, 1053, 1113, 1431, 1533, 1971, 2067, 2457, 2847, 3339, 3869, 4293, 4599, 4823, 5913, 6201, 6643, 7371, 8541, 10017, 11607, 13797, 14469, 18603, 19929, 25623, 27083, 30051, 34821, 41391, 43407, 50297, 55809, 59787, 76869, 81249, 104463, 130221, 150891, 179361, 243747, 313389, 352079, 390663, 452673, 538083, 731241, 1056237, 1358019, 2193723, 3168711, 4074057, 9506133, 28518399]

約数ペア:

[(1, 28518399), (3, 9506133), (7, 4074057), (9, 3168711), (13, 2193723), (21, 1358019), (27, 1056237), (39, 731241), (53, 538083), (63, 452673), (73, 390663), (81, 352079), (91, 313389), (117, 243747), (159, 179361), (189, 150891), (219, 130221), (273, 104463), (351, 81249), (371, 76869), (477, 59787), (511, 55809), (567, 50297), (657, 43407), (689, 41391), (819, 34821), (949, 30051), (1053, 27083), (1113, 25623), (1431, 19929), (1533, 18603), (1971, 14469), (2067, 13797), (2457, 11607), (2847, 10017), (3339, 8541), (3869, 7371), (4293, 6643), (4599, 6201), (4823, 5913)]